System and method for test and/or calibration of multi-channel RF communication devices
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United States of America Patent
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Mar 13, 2018
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app pub date -
May 12, 2016
filing date -
May 12, 2015
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Abstract
A test system includes a single-channel signal generator configured to generate an autocorrelation test signal to be distributed to each of a plurality of RF channels of a device under test (DUT). A time offset network includes a plurality of time offset channels each corresponding to one of the plurality of RF channels of the DUT, and is configured to, in combination with the DUT, provide corresponding autocorrelation test signals each with a different time delay as respective RF channel test signals. A single-channel measurement instrument is configured to process a single-channel test signal, based upon a combination of the RF channel test signals, to independently measure at least one characteristic of each of the RF channels of the DUT. The time offset network may be configured to be coupled between the single-channel signal generator and the DUT. Or, the time offset network may be configured to be coupled between the DUT and the single-channel measurement instrument.
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